Diagnosis; Troubleshooting - Pioneer PD-30-K Service Manual

5

5. DIAGNOSIS

5.1 TROUBLESHOOTING

Power does not turn on
Power does not turn on
Is the voltage of CP1701
pin 14 about 3.3 V?
Yes
Is the voltage of IC3001
pin 18 about 3.3 V?
Yes
Is the voltage of CP1701
pin 11 about 3.3 V?
Yes
Is the voltage of Q502
collector 0 V?
Yes
Replace the POWER PCB Assy.
Tray does not open / close
Tray does not open/close
Are the voltages of IC2301
pin 8, 19 DC 6 V?
Yes
Are MECHA Assy and CP2302
connected?
Yes
Is the voltage of CP1701
pin 11 about 3.3 V?
Yes
Replace the MECHA Assy.
5
6
No
Check the T501 (POWER PCB)
and around circuits.
No
Check the Q1707 and Q1709.
No
Check the IC3001 and arround
circuits.
No
Check the Q502.
No
Check the D6V line of
regulator block.
No
Check connection of MECHA Assy
and CP2302.
No
Check the IC3001 and arround
circuits.
6
7
Display is not displayed
Display is not displayed
Are the voltages of IC6001
pin 13, 43 about 3.3 V?
Yes
Is the voltage of IC6001
pin 30 about -28 V?
Yes
Are the voltages of V6001
pin 1, 2 about -23 V?
Are the voltages of V6001
pin 34, 35 about -19 V?
Yes
Replace the V6001 or IC6001.
DIGITAL OUT is not output by DIGITAL OUT
(COAXIAL) at the CD playback
DIGITAL OUT is not output by
DIGITAL OUT (COAXIAL)
at the CD playback
Is waveform of J7001 pin 2
0.5 Vp-p?
Yes
Is waveform of IC4001
pin 215 0.5 Vp-p?
Yes
Replace the IC4001.
PD-30-K
7
8
No
Check the V+3 line of
regulator block.
No
Check the Q1703, Q1701 and
arround circuits.
No Check the FL_DC+/FL_DC- line of
regulator2 block arround circuits.
No
Check connection of audio cable.
No
Check the Q7002 and arround
circuits.
8
A
B
C
D
E
F
13